.content {
  color: #03cef9;
  font-size: 20px;
}
.tab-buttons {
  margin-top: 15px;
  font-size: 0;
}
.tab-buttons .section-button {
  margin-right: 20px;
  width: 160px;
  height: 60px;
  line-height: 58px;
  font-size: 20px;
}
.tab-bar {
  margin-top: 15px;
  font-size: 0;
}
.tab-bar .section-button {
  width: auto;
  margin-right: 20px;
}
.tab-content {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
}
.source-box {
  margin-bottom: 30px;
  margin-right: 40px;
  width: 424px;
  height: 380px;
  overflow: hidden;
}
.source-box:nth-child(4n+4) {
  margin-right: 0;
}
.source-box figure img {
  margin: 10px;
  display: block;
  width: 400px;
  height: 210px;
}
.source-box figcaption {
  overflow: hidden;
  height: 88px;
  padding: 4px 10px 8px;
  font-size: 16px;
  background: rgba(3, 206, 249, 0.2);
}
.source-box figcaption .h3 {
  margin: 0;
  font-size: 16px;
  line-height: 30px;
  color: #00ffff;
  text-align: center;
}
.source-box figcaption p {
  color: #dbddea;
  line-height: 1.5;
  height: 50px;
  overflow: hidden;
  -webkit-line-clamp: 2;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
}
.source-box-toolbar {
  height: 60px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-around;
}
.source-box-toolbar__button {
  width: 40px;
  height: 40px;
  cursor: pointer;
}
.source-box-toolbar__button-edit {
  background: url('../img/edit_icon.png') no-repeat;
}
.source-box-toolbar__button-download {
  background: url('../img/download_icon.png') no-repeat;
}
.source-box-toolbar__button-share {
  background: url('../img/share_icon.png') no-repeat;
}
.source-box-toolbar__button-delete {
  background: url('../img/del_icon.png') no-repeat;
}
